Daily Sunspot Evaluation
Observation Details Thursday, 20 April 2023
- No
- 19694
- Date
- 2023 / 04 / 20,455
- Time
- 10:55 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 5
- Number of spots (f)
- 40
- Relative number (R)
- 90
- Lf
- 1
- P0
- -25.61°
- B0
- -5.21°
- L0
- 2.67°
- Observer
- Hikmet ÇAKMAK
Remarks: Görüntü Titremesi, Hafif Sis
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | FAI – 25 | 12 | 21.6W | 24 | 22.6W | 16.6 | |
| 2 | AX_ – 2 | -21 | 25.6W | 28 | 26.6W | 1.0 | |
| 3 | CAO – 5 | -23 | 12.7W | 15 | 13.7W | 10.1 | |
| 4 | BXI – 5 | -22 | 05E | 358 | 04E | 4.4 | |
| 5 | BXO – 3 | -9 | 40.1E | 323 | 39.1E | 8.3 |